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What is new in .NET Framework 4.5

Sun, 09 Oct 2011 08:37:34 GMT

Another major release in .NET Framework, .NET 4.5 which allows the developers to use Windows 8 technologies and windows runtime directly from .NET 4.5. It makes easy and natural to write Metro style applications using C# and VB. .NET 4.5 makes your applications run faster eg: Faster ASP.NET startup. .NET 4.5 gives you easy access to your data with entity framework code first approach and recent SQL Server features. This post discuss these features in detail.

Entity framework and Stored procedure output parameter

Fri, 09 Sep 2011 14:47:01 GMT

One of my friend was having problem in Entity framework and stored procedure output parameter. He was confused how to use output parameter with stored procedures.So I did some search on internet and I found a great way to use output parameter so I thought I should write a blog post for the same. So in this blog post I am going to explain you how we can use output parameter of entity framework. So let's start coding for that.For demo, I have create a table called 'Customer' which contains just two col...

Foreign key vs. Independent associations in Entity Framework 4

Fri, 02 Sep 2011 13:57:19 GMT

Independent and Foreign key associations are two ways to model relationships in Entity framework 4. This article describes differences between them.

Design bug in DbSet.Find method of Entity Framework 4.1

Mon, 01 Aug 2011 12:20:26 GMT

This blog post shows a problem with the DbSet.Find method that creates bad queries when used in models that have entity hierarchies (inheritance).

Using Entity Framework to 0Successfully Target Multiple Databases

Wed, 27 Jul 2011 15:59:24 GMT

and LINQ, often forget the specifics of particular databases. This article discusses problems in the process of developing an application for Entity Framework (EF), which is meant to interact with Oracle, MySQL, PostgreSQL or SQLite rather than Microsoft SQL Server.

Entity Framework 4.1 - manage relations

Tue, 12 Jul 2011 08:20:30 GMT

How you manage relations between objects with Entity Framework 4.1 Code First approach.

C#/.NET Fundamentals: Choosing the Right Collection Class

Mon, 20 Jun 2011 05:19:26 GMT

The .NET Base Class Library (BCL) has a wide array of collection classes at your disposal which make it easy to manage collections of objects. While it's great to have so many classes available, it can be daunting to choose the right collection to use for any given situation. As hard as it may be, choosing the right collection can be absolutely key to the performance and maintainability of your application! This post will look at breaking down any confusion between each collection and the situations in which they excel. We will be spending most of our time looking at the System.Collections.Generic namespace, which is the recommended set of collections.

How to Configure a Self Reference in Code First

Mon, 06 Jun 2011 05:26:29 GMT

A few days ago a worker in Sela asked me how to configure a self referencing entity with EF Code First. In this post I'll show you how to implement that configuration.

Entity Framework 4.1 Annotations-Part 1

Mon, 06 Jun 2011 05:23:55 GMT

Entity Framework 4.1 has introduced the Code First Approach with it's Fluent API and Annotations.In this series of posts we will focus on the Annotations part of it and how it can be used to build the domain model and map it to the database.

Creating a Code First Database Initializer Strategy

Wed, 01 Jun 2011 05:47:30 GMT

Yesterday I helped a colleague with his ASP.NET MVC 3 site deployment. That colleague implemented the data access layer using EF4.1 Code First. One of the restrictions that he had was that he didn't have database permissions to create a new database and couldn't use SQL Express or SQL CE in his application. Instead he had an empty database for his disposal in the hosting environment without a way to ru...

Sharing validation code between a WPF client, a WCF Service and Entit

Tue, 24 May 2011 12:25:24 GMT

Recently Entity Framework 4.1 was released. 4.1 contains a DBContext class, which is largely a wrapper around the ObjectContext class with a simplified API. Now you might think as I did: "But if I'm comfortable with the ObjectContext class and I don't use code first, why in the world would I need a DbContext?". The answer is pretty simple. The DbContext has a feature which simply isn't supported by the ObjectContext: data validation with the attributes from the System.ComponentModel.DataAnnotations namespace. In this article I'll show you how to decorate your classes with validation attributes and how these classes can be reused by both the client and the server.

Crazy delicious: defining LightSpeed entities at runtime

Tue, 19 Apr 2011 23:40:34 GMT

This post looks at creating entities definitions at runtime in your applications: "Ever since JD unleashed LightSpeed.MetaData on an unsuspecting world, we've been inundated by people asking about the possibility of declaring entities at run-time, for example to reflect a database schema that can be modified or extended by users, or to allow common batch actions to be applied to different databases without having to build explicit models for every database."

Introduction to BLToolkit (Part III): The success story

Tue, 12 Apr 2011 07:19:30 GMT

We have already talked about that BLToolkit can serve as a substitute as ADO.NET, and LINQ to SQL. Time to talk about the unique capabilities of this ORM. In this post I will tell about how to expend BLToolkit and open secrets of its performance.

Using ADRotator Control in our web apps

Fri, 08 Apr 2011 15:46:25 GMT

ADRotator: Adrotator control is one of the rich contorls, Rich Controls are server sided controls that can be used to create complex HTML elements.

Introduction to BLToolkit (Part II): With LINQ to SQL's taste

Fri, 08 Apr 2011 08:06:19 GMT

In the previous post we talked about what the BLToolkit was originally created as a high-level wrapper on the ADO.NET. Today we'll talk about why BLToolkit is an ORM and its similarity with LINQ to SQL. As I promised, we will carefully consider a support of Linq.

ADO.NET Interview Questions

Mon, 04 Apr 2011 08:09:32 GMT

Collections of interview questions on ADO.NET.These questions are belongs to all ADO.NET classes, objects,properties, methods and etc.

Getting Last inserted Identity value in SQL server

Sun, 03 Apr 2011 13:25:58 GMT

In this article I would like to share my idea about getting Identity after a row was inserted in to the SQL Server 2005. After inserting a row into the database which has primary key feild, most of the time we need the identity, We have three approaches based on our requirements and situations.

Introduction to BLToolkit (Part I): ADO.NET Wrapper

Fri, 01 Apr 2011 08:20:33 GMT

Last year ORMeter site made ??a lot of noise. Its authors have done what many asked in various forums. They compared the performance of majority popular ORM on .Net platform. As a result developer's opinions were divided. Someone said that tests are out of touch with reality, someone has found another argument for infinite holy wars, someone thought that the site just advertise own product, etc. But there was another result. The developers around the world found out about such ORM as BLToolkit thatin almost all tests proved to be a leader. It is time to get to know it better.

Know about Jquery Selectors with a simple example

Sun, 27 Mar 2011 12:54:22 GMT

The factory function $() makes use of following three building blocks while selecting elements in a given document:

Jquery basics before developing

Sun, 27 Mar 2011 12:54:22 GMT

JQuery Basics 2 jQuery is a framework built using JavaScript capabilities. So you can use all the functions and other capabilities available in JavaScript

The basic things to know about Jquery before going to start it.

Sun, 27 Mar 2011 12:53:34 GMT

jQuery is a powerful JavaScript library that can enhance our websites with out considering the background.

Draw Bar and Pie charts dynamically using a generic handler in a simpl

Sat, 19 Mar 2011 13:14:16 GMT

basic step that is drawing pie and bar charts dynamically using generic handler and a query string.

Dynamic controls creation and handling the dynamic control events in w

Sat, 19 Mar 2011 13:09:17 GMT

create dynamic controls by creating an object or an instance to that particular control class

Using Code First Model Configurations Classes

Tue, 08 Mar 2011 10:24:11 GMT

In the past I explained how to use the Code First Fluent API in order to configure and shape your EDM during runtime. One of the problems that might raise when you use the Fluent API as I showed in the previous post is that the OnModelCreating method might become bloated and hard to read. This is the time to get familiar with another model configuration option which is built inside Code First.

Deleting all data from the data base and Resetting Auto increment valu

Fri, 25 Feb 2011 05:30:21 GMT

Hi., Here in this post i would like to explain., how to delete data form the data base table using a single query. and also resetting the auto increment property. that means it will set to stating value